US2816775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tricycle guider
Assignee: Individual
•
Filing: 1955-02-16
•
Granted: 1957-12-17
•
Expires: 1975-02-16
Abstract
No abstract record available.
Inventors
- 👤 James P Costello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:10
CPC Classifications
B; B62; B62H; B62H7/00; B62K; B62K9/00; B62K9/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/2078; Y10T74/20822
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US391947A
Cited
GB189722948A
Cited
US870739A
Cited
US1170687A
Cited
US1668650A
Cited
US1874436A
Cited
US1939379A
Cited
US2672351A
Cited
US2645505A
Cited
US2722281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |